:root{
  /* colors */
  --vk-color-white:#ffffff;
  --vk-color-black:#000000;
  --vk-color-primary:#409eff;
  --vk-color-primary-light-3:#79bbff;
  --vk-color-primary-light-5:#a0cfff;
  --vk-color-primary-light-7:#c6e2ff; 
  --vk-color-primary-light-8:#d9ecff;
  --vk-color-primary-light-9:#ecf5ff;
  --vk-color-primary-dark-2:#337ecc;
  --vk-color-success:#67c23a;
  --vk-color-success-light-3:#95d475;
  --vk-color-success-light-5:#b3e19d;
  --vk-color-success-light-7:#d1edc4;
  --vk-color-success-light-8:#e1f3d8;
  --vk-color-success-light-9:#f0f9eb;
  --vk-color-success-dark-2:#529b2e;
  --vk-color-warning:#e6a23c;
  --vk-color-warning-light-3:#eebe77;
  --vk-color-warning-light-5:#f3d19e;
  --vk-color-warning-Light-7:#f8e3c5;
  --vk-color-warning-light-8:#faecd8;
  --vk-color-warning-light-9:#fdf6ec;
  --vk-color-warning-dark-2:#b88230;
  --vk-color-danger:#f56c6c;
  --vk-color-danger-light-3:#f89898;
  --vk-color-danger-light-5:#fab6b6;
  --vk-color-danger-light-7:#fcd3d3;
  --vk-color-danger-light-8:#fde2e2;
  --vk-color-danger-light-9:#fef0f0;
  --vk-color-danger-dark-2:#c45656;
  --vk-color-info:#909399;
  --vk-color-info-light-3:#b1b3b8;
  --vk-color-info-light-5:#c8c9cc;
  --vk-color-info-light-7:#dedfe0;
  --vk-color-info-light-8:#e9e9eb;
  --vk-color-info-light-9:#f4f4f5;
  --vk-color-info-dark-2:#73767a;

  --vk-bg-color: #ffffff;
  --vk-bg-color-page:#f2f3f5;
  --vk-bg-color-overlay: #ffffff;
  --vk-text-color-primary:#303133;
  --vk-text-color-regular:#606266;
  --vk-text-color-secondary: #909399;
  --vk-text-color-placeholder: #a8abb2;
  --vk-text-color-disabled: #c0c4cc;
  --vk-border-color: #dcdfe6;
  --vk-border-color-light: #e4e7ed;
  --vk-border-color-lighter: #ebeef5;
  --vk-border-color-extra-light: #f2f6fc;
  --vk-border-color-dark: #d4d7de;
  --vk-border-color-darker: #cdd0d6;
  --vk-fill-color:#f0f2f5;
  --vk-fill-color-light: #f5f7fa;
  --vk-fill-color-lighter: #fafafa;
  --vk-fill-color-extra-light: #fafcff;
  --vk-fill-color-dark: #ebedf0;
  --vk-fill-color-darker: #e6e8eb;
  --vk-fill-color-blank: #ffffff;

  /* border */
  --vk-border-width: 1px;
  --vk-border-style: solid;
  --vk-border-color-hover: var(--vk-text-color-disabled);
  --vk-border: var(--vk-border-width) var(--vk-border-style) var(--vk-border-color-hover);
  --vk-border-radius-base: 4px;
  --vk-border-radius-small: 2px;
  --vk-border-radius-round: 20px;
  --vk-border-radius-circle: 100%;

  /* 字体 */
  --vk-font-size-extra-large: 20px;
  --vk-font-size-large: 18px;
  --vk-font-size-medium: 16px;
  --vk-font-size-base: 14px;
  --vk-font-size-small: 13px;
  --vk-font-size-extra-small: 12px;
  --vk-font-family: "Helvetica Neue", Helvetica, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", Arial, sans-serif;
  --vk-font-weight-primary: 500;

  /* disabled */
  --vk-disabled-bg-color: var(--vk-fill-color-light);
  --vk-disabled-text-color: var(--vk-text-color-placeholder);
  --vk-disabled-border-color: var(--vk-border-color-light);
  
  /*animation箭头旋转*/
  --vk-transition-duration: .3s;
  --vk-transition-duration-fast: .2s;
}